My first program is to control the dc motor speed using potentiometer, i have attached the circuit diagram and the code bellow. Interfacing dc motor to 8051 microcontroller using at89s51. You may think that a variable resistor in series with a dc motor can control its speed. Speed control of a dc motor using microcontroller 8051 bachelor of technology in electrical and electronics engineering gokaraju rangaraju institutes of engineering and technology jntu hyderabad. To control dc motor speed with pic microcontroller, we should know about these two features. Dc motor speed control using arduino the engineering projects. Speed control of separately excited dc motor and performance analysis by software simulation has been done.
Dc motors are made up of two basic parts namely the stator, which is the stationary part and the rotor, the inner rotating part, usually called the armature. Part of the lecture notes in electrical engineering book series lnee, volume 65. Apr 19, 2017 this video explains the procedure to control the speed of a dc motor using 8051 microcontroller. The pwm wave for speed control is generated using atmel at89c52 microcontroller. Jan 24, 2019 by interfacing dc motor to the microcontroller, we can do many things like controlling the direction of the motor, controlling the speed of the motor. Dc motor speed control with arduino in proteus isis. Speed control for dc motor with pulse width modulation pwm. This ppt shows that the process to control the speed of a dc motor using micro controller. This motor is three phase motor, it has three stator phases that are excited two at a time to create.
Speed control of brushless dc motor using microcontroller. Dc motor with speed and current closed loops, driven by. But if we introduce the speed control of the motor, we can run the motor or fan at slower speeds under normal conditions and at higher speeds when required. Arduino is directly connected to pc through the usb cable and command is given to arduino on serial monitor of the arduino ide. The best method for speed control of dc motor is the use of pulse width modulation technique. Todays industries are increasingly demanding process automation in all sectors. Here we are using 12v dc motor and average dc value delivered to motor can be varied by varying the duty ratio of the pwm. Arduino is directly connected to pc through the usb cable and command is. The ampl itude of the appl ied voltage is adjusted using the pwm technique. Controller used tv remote control to send data to atmega16 microcontroller through the ir receiver. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and.
Microcontroller based speed control of a dc motor using. For the generation of these pulses a microcontroller at89c51 is used. Microcontroller based speed control system consist of electronic component, microcontroller and the lcd. The fuzzy logic controller flc was also adopted in 16 for the control of the speed of brushless dc motors. Rohit naik 07241a0247 in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering gokaraju rangaraju. This work is mainly concerned with dc motor speed, direction and active state either start or stop control by using microcontroller pic18f452 via pulse width modulation pwm technique, where. Speed control of a continuous dc motor 195 chapter 12 wireless links 199 infrared links 199. This paper is mainly concerned on dc motor speed control system by using. Direction of rotation of dc motor is changed by initiating an interrupt signal to the microcontroller using push switches. You can sense the effect of speed control of dc motor in the movement of robotic vehicles, movement in elevators, movement in paper mils and so on when different types of dc motors. Without using microcontroller, speed control can be achieved through direction control. As a microcontroller is used to set the speed ranges which is done by changing the duty cycles time period in the program. The drive system comprising the drive and the dc motor is vital to speed control in dc motor.
Dec 25, 2017 sensored bldc motor control using pic16f877a ccs pic c compiler this topic shows an easy way to drive a cdrom sensored brushless dc motor bldc motor using pic16f877a microcontroller with ccs pic c code. Microcontroller based speed control of dc geared motor through. Speed control ofdc motorusingmicrocontroller oral presentation on prepared by 1. A microcontrollerbased speed control system consists of an electronic component and a microcontroller.
Dc motor interfacing with 8051 microcontroller using l293d. Jan 26, 20 in this tutorial we will see how to control the speed of a dc motor using pulse width modulation. Mar 19, 2015 dc motor speed control using 8051 microcontroller mahesh madivali. In fact, fine speed control is one of the reasons for the strong. C motors, are indispensable controlling elements in automation systems. Pwm based dc motor speed control using microcontroller. The principal advantage of a dc motor is that its speed can be changed over a wide range by a variety of simple methods. Aug 26, 2018 arduino pwm motor control video arduino dc motor control.
Although a far greater percentage of electric motors in service are ac motors, the dc motor is of considerable industrial importance. Speed control of dc motor using microcontroller semantic scholar. Dc motor speed control using pic microcontroller pwm method. I already posted about interfacing dc motor with pic microcontroller. Dc motor with speed and current closed loops, driven by etpu on mcf523x, rev. Dc motor speed control is about the change of the drive speed of the motor to a value required to perform a work process 2. Programming the pic16f877a microcontroller for speed control. A dc brushless motor uses a permanent magnet external rotor, three phase of driving coils, one or more hall effect devices are used to sense the position of rotor, and the associated drive electronics. Speed control of dc motor using microcontroller free download as powerpoint presentation. Of these, dc motors are widely used because controlling a dc motor is somewhat easier than other kinds of motors. Speed control of dc motor is the most important feature we interest in, when we control the speed we vary it according to the requirements and the operation we need. The speed of a shunt motor can be changed by flux control method. In this example project dc motor is interfaced with pic microcontroller using l293d motor driver.
A well designed 8051 dc motor system has essentially two parts. Dc motor speed and direction controller project based on l293d hbridge and 555 timer ic. By using pwm we can easily control the average power delivered to a load and by thus we can easily control the speed of the dc motor. Microcontrollers can provide easy control of a dc motor. Dec 29, 2016 but if we introduce the speed control of the motor, we can run the motor or fan at slower speeds under normal conditions and at higher speeds when required. The 293d provides bidirectional drive current up to 600ma a voltage from 5v to 12v. If you have worked with any variant of the 8051 microcontroller, you might remember that 8051 doesnt have a dedicated pwm circuitry to enable pwm mode. This work reports the development of a microcontroller based control system to change the speed of a dc motor. Pcb of the control circuit has also been designed and fabricated. The objective of this paper is to describe the principle of dc motor speed control using. Arduino pwm motor control video arduino dc motor control. The below circuit shows interfacing l293d with pic microcontroller to control a dc motor. Speed control of dc motor using pic microcontroller. In the interfacing dc motor with pic microcontroller article, we learnt how to interface a dc motor with pic microcontroller using hbridge circuit constructed from four mosfet transistors or using a motor controller chip like the l293l293d.
Jul 09, 2016 the best method for speed control of dc motor is the use of pulse width modulation technique. When it comes to speed, weight, size, cost, dc motors are always preferred over stepper motor. This continuous change from one state to another high to low and then back to original state produces a continuous square wave output. The components and assembly of this microcontroller circuit are highlighted in this paper, and the constructed circuit tested. This is practical and highly feasible in economic point of view. Twowheeler designs are often used to implement this method. Jul 20, 2015 speed control of dc motor using microcontroller 1. Four quadrant dc motor speed control with microcontroller. Apr 10, 2017 speed control of dc motor using pic microcontroller. Speed control of a dc motor using microcontroller 8051 a project report submitted by s.
Automation results into better quality, increased production an reduced costs. Direction control of a dc motor using pic microcontroller. I am trying to control the speed of motor using adc value received using atmega16, the system works well with 12v. In fact, fine speed control is one of the reasons for the strong competitive position of dc motors in modern industrial applications.
In this tutorial we will see how to control the speed of a dc motor using pulse width modulation. This article describes you how to control the dc motor using at89c51 controller or any variant of 8051 microcontroller. Interfacing dc motor to 8051 forms an essential part in designing embedded robotic projects. Speed control of a dc motor using pic microcontroller with pwm techniques duration. Nov 07, 2014 controller used tv remote control to send data to atmega16 microcontroller through the ir receiver. Dc motor speed control using pwm of pic microcontroller. The microcontroller block is interfaced with dc motor using motor driver ic, the power supply block provides power supply to the project kit, and switch array. Encoder produces pulses in the output, which is feed into arduino and arduino controls the speed of dc motor. I have checked with oscilloscope, the pwm output suddenly goes high and remains high even when adc input is 0. Sensored brushless dc bldc motor control with pic16f877a. Two push button switches are provided to control the speed of the motor.
The speed control of dc motor is very crucial in applications. Using the dc motor controller you can program the motion of the motor, i. The speed of dc motor can be varied by applying various techniques. Dc motor control tips n tricks pdf 36p this note explains many basic circuits and software building blocks commonly used to control motors. Practical applications in which speed and direction of dc motor can be controlled by interfacing with 8051 microcontroller are discussed below. Pdf speed control of dc motor by using pwm technique. This command controls the l293d driver ic to control the direction and speed of a dc motor. Bose school of engineering supreme knowledge foundation group of institutions mankundu,hooghly 2. A microcontroller is a single chip that contains the processor the cpu, nonvolatile memory for the program rom or flash, volatile memory for input and output ram, a clock and an io control unit.
Bldc motor with hall sensors and speed closed loop, driven by etpu on mpc5554, rev. We have dc motors in toys, irrigation pumps, robotics, drills and in many applications. Speed control of dc motor without microcontroller sharp meg. In this project dc motors speed is controlled by sending the command through pc. Through this paper, it can be concluded that microcontroller pic 16f877a can control motor speed at desired speed although. This is to regulate the amount of energy produced by the machine and the amount of work required. Automatic speed controller of a dc motor using arduino, for.
Synchronisation, speed and direction control of dc motor 945 2. A bidirectional dc motor speed control can be achieved using the hbridge integrated circuits controlled by a microcontroller 7. Pulse width modulation pwm technique was used to control the amount of power delivered to the load the dc motor without dissipating any wasted power. Development of a microcontroller based dc motor speed. For controlling the speed of dc motor we have various methods, but in this project we are controlling dc motor speed using pwm. Brushed dc motor drive circuits, brushless dc motor drive circuits, stepper motor drive circuits, drive software, writing a pwm value to the ccp registers with a midrange picmicro. Doc speed control of a dc motor using micro controller 8051. Doc speed control of a dc motor using micro controller 8051 1. Microcontrollers can provide easy control of dc motor.
Dc motor is the most used motor in robotics and electronics projects. A microcontroller based speed control system consists of an electronic component and a microcontroller. Open your arduino software, copy and paste the source code given below in your software. How to control the speed of brushless dc motor without. The design showed good velocity tracking performance under both load and noload conditions. Automatic speed controller of a dc motor using arduino. Here are some of the features of this dc motor controller. Speed control of dc motor full guide for controlling the. Microcontroller based dc motor speed control using pwm technique. A well designed 8051dc motor system has essentially two parts.
When the dc motor is switched on, it takes certain time to reach the full speed. Bldc motor with hall sensors and speed closed loop, driven. Dc motor speed control using pwm with pic microcontroller. As soon as the power supply is switched on, the dc motor starts gaining speed and if you. Speed control of dc motor using microcontroller arduino. Microcontrollerbased dc motor controller full electronics. By interfacing dc motor to the microcontroller, we can do many things like controlling the direction of the motor, controlling the speed of the motor. Pdf this paper reports a microcontroller based control system to change the speed and direction of. The l293d can provide bidirectional drive currents of up to 600ma at voltages from 4. The purpose of a motor speed controller is to take a signal representing the required speed and to drive a motor at that speed. Jun 16, 2015 the block diagram of four quadrant dc motor speed control with 8051 microcontroller project is shown in the above figure. This article shows how to interface a dc motor to an 8051 microcontroller. Pdf microcontroller based dc motor speed control using pwm. Pdf microcontroller based dc motor speed control using.
Pdf programming a computer and a microcontroller to control. Simple analogue bidirectional dc motor speed control. Microcontroller based speed control of a dc motor using pwm. In this project we will be able to control the speed of dc motor with potentiometer and we can adjust the speed by rotating the knob of potentiometer. There are many applications of dc motor drives that use power electronics to control the voltage and consequently the speed or. Speed control of dc motor using pic microcontroller the. Pdf dc motor are mostly used in industries so we used to control the speed of the motor by using pwm. Dc motor speed control using 8051 microcontroller youtube. Free motor control books download ebooks online textbooks. Speed control of dc motor with pc interface is an easy diy project. To control the speed of the dc motor, you need a variablevoltage dc power source. To drive the dc motor, a four channel monolithic integrated buffer circuit was used. Pdf microcontroller performance for dc motor speed. This is a method to control the output voltage with the of constant frequency switching and by adjusting on duration of switching and in other words by changing duty cycle of switching.
Oct 29, 2018 pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. Speed control for dc motor with pulse width modulation. Such a fine speed control is generally not possible with ac motors. There are many applications of dc motor drives that use power electronics to control the voltage and consequently the speed or position of the motor. The aim of this project is to control the speed of a dc motor using the lpc2148 mcu with the help of a potentiometer.
Bldc motor with hall sensors and speed closed loop, driven by. But when i go for 24v the motor runs continuously, even when adc value is 0. Microcontroller based dc motor speed control using pwm technique conference paper pdf available december 2012 with 14,158 reads how we measure reads. There are many other applications of speed control of dc motor. Dc motor when interfaced with a microcontroller, can control the speed of motor, can control the direction of rotation, can also do encoding of the rotation made by dc motor i. In this project wewill be controlling the speed of dc motor using arduino controller. In this mode 555 timer is not stable and its output is continuously changes from low to high or from high to low. Arockia edwin xavier thiagarajar college of engineering,electrical and electronic engineering madurai,tamil nadu email. Direction control of dc motor using arduino in proteus. To calculate the speed of a dc motor, perforated disk attached to the motor shaft is used and placed between the photodiode as a sensor and the led.
When i move the potentiometer to zero i can see the motor is spinning little slow. Speed control methods of various dc motors are explained in the links given below. In the interfacing dc motor with pic microcontroller article, we learnt how to interface a dc motor with pic microcontroller using hbridge circuit constructed from four mosfet transistors or. The practical application of l293d ic is l293d acts as an interfacing device dc motor interfacing with 8051 microcontroller by which we can control the speed and direction of the motor. Dc motor is driveby using pwm technique and then using encoder to sensethe rpm of dc motor. The coils are activated, one phase after the other, by the drive. Development of a microcontroller based dc motor speed control. Dc motor speed control using arduino and potentiometer. Firstly an 8051 with the required software to control the motor and secondly a suitable driver circuit. Speed control of dc motor using 8051 microcontroller youtube. Synchronisation, speed and direction control of dc motor. When i move the potentiometer to max i can see the motor is spinning little fast. Sensored bldc motor control using pic16f877a ccs pic c compiler this topic shows an easy way to drive a cdrom sensored brushless dc motor bldc motor using pic16f877a microcontroller with ccs pic c code.
Pwm dc motor speed controller using atmega8 microcontroller. This is done by reversing the input voltage terminals of the motor to have the required output of energy. In this project, implementation of the atmega16 microcontroller for speed control of dc motor fed by a l293d driver circuit has been investigated. In this paper, we design and implemented the digital speed control of dc motor using pulse width modulation. Pwm based dc motor speed control using microcontroller circuit principle the heart of this project is the 8051 microcontroller. In the beginning of the code two integers are declared by name out1 and val, where out1 is equal to 9 which shown that pin d9 of arduino is used as output pin or pwm pin. In our robotics applications we may have to control the speed of the dc motor. Speed control of dc motor shunt, series and compound.